1 2

Gibson 02-03 Dodge Ram 1500 SLT 4.7L 1-1/2in 16 Gauge Performance Header - Stainless

Gibson 02-03 Dodge Ram 1500 SLT 4.7L 1-1/2in 16 Gauge Performance Header - Stainless

GP309S

Out of stock

$734.66 USD
$1,660.82 USD $734.66 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Gibson 02-03 Dodge Ram 1500 SLT 4.7L Performance Header is a stainless steel, 1-1/2 inch, 16 gauge exhaust header engineered to enhance engine performance. Dyno-tuned for increased usable horsepower and torque at low to mid-range RPMs, it improves the engine’s breathing efficiency and helps maintain cooler operating temperatures. Constructed with heavy-duty laser-cut 3/8 inch port flanges to prevent warping and leaks, this header features OEM-style connections and includes premium gaskets and hardware. It is designed as a direct replacement for the factory manifolds, utilizing the stock crossover pipe, and is backed by a lifetime limited warranty. The header is 50-state street legal and meets EPA and CARB emissions requirements without affecting the factory warranty.

This performance header fits 2002 to 2003 Dodge Ram 1500 SLT models equipped with the 4.7L engine. It is suitable for both lowered and raised vehicles, making it ideal for street driving, off-road use, and highway performance. Installation requires no welding, as it uses OEM-style connections for a straightforward bolt-on replacement. The kit includes all necessary gaskets and hardware for a complete installation. This header is designed to maintain compliance with emissions standards while delivering enhanced power and durability for daily driving and performance applications.

Overview

Gibson Performance Header

Fits 2002–2003 Dodge Ram 1500 SLT 4.7L

Part #: GP309S

Overview

The Gibson Performance Header is engineered as a direct replacement for the factory manifolds on the 2002–2003 Dodge Ram 1500 SLT with a 4.7L engine. Designed to improve your engine’s breathing efficiency, this header supports enhanced horsepower and torque delivery at low to mid-range RPMs, particularly beneficial during highway driving. Its construction helps maintain cooler engine operating temperatures, contributing to overall engine reliability and performance.

This header is ideal for drivers seeking a durable, bolt-on upgrade that fits both lowered and raised vehicles without requiring welding. It uses OEM-style connections and the stock crossover pipe, ensuring a straightforward installation process while maintaining factory compatibility.

Key Features

Designed to optimize engine airflow and durability, this header includes:

  • Constructed from 16 gauge stainless steel for strength and corrosion resistance
  • 1-1/2 inch primary tubes sized for balanced exhaust flow
  • 3/8 inch heavy-duty laser-cut port flanges to prevent warping and leaks
  • OEM-style connections for direct fitment with no welding required
  • Includes premium gaskets and hardware for a complete installation
  • Compatible with stock crossover pipe for seamless integration
  • Engineered to support both lowered and raised vehicle setups

Installation & Fitment

This header is designed as a direct bolt-on replacement for the factory manifolds on the specified Dodge Ram 1500 SLT models. Installation requires no welding and utilizes OEM-style connections, making it accessible for professional installers and experienced enthusiasts alike. The included premium gaskets and hardware ensure a secure, leak-free fit.

View full details